T-45C TS, ADV & IUT ENG-27/ENG-28
Engineering Review
(i)
Stores hydraulic fluid for HYD 1
operation
(ii) Provides fluid under nitrogen
preload pressure to HYD 1 to
prevent EDP cavitation
(iii) Provides fluid pressure to
component seals during
nonoperating periods to minimize
leaks
(b) Physical
(i)
Consists of a cylinder with a free-
floating piston that separates fluid
from nitrogen
(ii) Pressurized by nitrogen during
ground maintenance
(iii) Fluid quantity depends both on
quantity remaining in
accumulators and the hydraulic
fluid temperature
(iv) Has external quantity gauge
(2) Engine-driven pump (EDP)
Sg 6, fr 5
HYD 1 EDP
(a) Location: aft right side of engine
accessory gearbox
(b) Description
(i)
Produces hydraulic pressure for
HYD 1 system
(ii) Output volume varies in response
to demand
(c) Physical
(i)
Mounted on and driven by engine
accessory gearbox
(9-98) Original
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